CN214135038U - Four-axis rotary fixture - Google Patents
Four-axis rotary fixture Download PDFInfo
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- CN214135038U CN214135038U CN202022724865.6U CN202022724865U CN214135038U CN 214135038 U CN214135038 U CN 214135038U CN 202022724865 U CN202022724865 U CN 202022724865U CN 214135038 U CN214135038 U CN 214135038U
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Abstract
The utility model discloses a four-axis rotary fixture, its characterized in that: the positioning device comprises a bottom plate, a tailstock and a numerical control rotary table, wherein the tailstock and the numerical control rotary table are arranged on the bottom plate in a right-to-right mode, a bridge passing plate rotating along a main shaft of the numerical control rotary table is connected between the tailstock and the numerical control rotary table, two sets of positioning fixtures are arranged on the bridge passing plate along the length direction at least, each positioning fixture comprises a positioning body, the top surface of the positioning body is a horizontal positioning surface, the center of the horizontal positioning surface is provided with a central positioning shaft hole, an adjustable positioning pin for positioning the vertical end face of a workpiece is further arranged on the positioning body, and pneumatic pressing devices for pressing the workpiece are arranged on two sides of the positioning body. The beneficial effects of the utility model include: simple structure can a plurality of work pieces of clamping simultaneously, and closing device adopts single cylinder to realize that the work piece of two faces compresses tightly, practices thrift the cost, and automatic upset switches the machined surface, satisfies a clamping and realizes a plurality of face processing, and it is higher to avoid the repeated positioning machining precision.
Description
Technical Field
The utility model relates to a machine adds anchor clamps field, concretely relates to four-axis rotary fixture.
Background
A valve body is usually cast and then processed with special surfaces and holes through a processing center, and usually, one valve body needs to be processed with a plurality of surfaces. Therefore, the valve body needs to be turned and clamped for multiple times when one valve body is machined, if a traditional positioning fixture is adopted, the valve body needs to be clamped again when one surface is machined, different positioning errors of the datum for positioning are large, the clamping efficiency is low for multiple times, and the labor intensity of workers is high.
Disclosure of Invention
To the weak point among the above-mentioned prior art, the utility model provides a four-axis rotary fixture, its simple structure can many work pieces of clamping simultaneously, and a clamping can satisfy a plurality of position processing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a four-axis rotary fixture which characterized in that: the positioning device comprises a bottom plate, a tailstock and a numerical control rotary table, wherein the tailstock and the numerical control rotary table are arranged on the bottom plate in a right-to-right mode, a bridge passing plate rotating along a main shaft of the numerical control rotary table is connected between the tailstock and the numerical control rotary table, two sets of positioning fixtures are arranged on the bridge passing plate along the length direction at least, each positioning fixture comprises a positioning body, the top surface of the positioning body is a horizontal positioning surface, the center of the horizontal positioning surface is provided with a central positioning shaft hole, an adjustable positioning pin for positioning the vertical end face of a workpiece is further arranged on the positioning body, and pneumatic pressing devices for pressing the workpiece are arranged on two sides of the positioning body.
Furthermore, a tailstock connecting plate and a four-axis connecting plate are respectively arranged at two ends of the bridge passing plate, one end of the bridge passing plate is rotatably connected with the tailstock through the tailstock connecting plate, and the other end of the bridge passing plate is connected onto a four-axis chuck of the numerical control rotary table through the four-axis connecting plate.
Furthermore, a plurality of groups of positioning clamps are regularly arranged on the gap bridge plate, the positioning bodies are positioned on the gap bridge plate through cylindrical pins and rhombic pins, and the positioning bodies are fixedly connected to the gap bridge plate through screws.
Furthermore, the adjustable positioning pin is arranged on the positioning body through the vertical seat, the rear part of the adjustable positioning pin is in threaded fit connection with the vertical seat, and the rear part of the adjustable positioning pin is further provided with a limit nut.
Furthermore, two pneumatic pressing devices corresponding to the same positioning fixture are arranged along a diagonal line of the positioning body, each pneumatic pressing device comprises a Z-shaped pressing plate body, a pressing head, a hinge seat, a connecting rod and an air cylinder, wherein the pressing head is hinged to the front end part of the Z-shaped pressing plate body, the upper end of the hinge is hinged to the middle part of the Z-shaped pressing plate body, the lower end of the hinge is hinged to the hinge seat, the hinge seat is fixedly connected to the bridge plate, one end of the connecting rod is hinged to the rear end of the Z-shaped pressing plate body, the other end of the connecting rod is hinged to the front end of a cylinder rod of the air cylinder, the air cylinder is arranged on the back surface of the bridge plate, and the cylinder rod movably penetrates through the bridge plate.
The beneficial effects of the utility model include: simple structure can a plurality of work pieces of clamping simultaneously, and closing device adopts single cylinder to realize that the work piece of two faces compresses tightly, practices thrift the cost, and automatic upset switches the machined surface, satisfies a clamping and realizes a plurality of face processing, and it is higher to avoid the repeated positioning machining precision.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural view of the middle positioning body of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
A four-axis rotary fixture as shown in fig. 1-3, comprising a bottom plate 1, a tailstock 20 and a numerical control turntable 21, wherein the bottom plate is used for being mounted on a machining center machine tool. The tailstock 20 and the numerical control rotary table 21 are oppositely arranged on the bottom plate 1, and the bridge plate 3 rotating along with the main shaft of the numerical control rotary table 21 is connected between the tailstock 20 and the numerical control rotary table 21, so that the turnover function is provided. At least two groups of positioning clamps are arranged on the bridge plate 3 along the length direction, and in some embodiments, three positioning clamps can be arranged according to the length of the bridge plate 3 and the width of the positioning clamps. The positioning fixture mainly comprises a positioning body 16, the top surface of the positioning body 16 is a horizontal positioning surface 17 and is used for positioning a positioning reference surface of the valve body, and a central positioning shaft hole 18 is formed in the center of the horizontal positioning surface 17 and is used for positioning a central shaft at the bottom of the valve body, so that the limiting in the plane is realized. The positioning body 16 is also provided with an adjustable positioning pin 19 for positioning the vertical end face of the workpiece, so as to prevent the valve body to be processed from rotating. Two sides of the positioning body 16 are respectively provided with a pneumatic pressing device for pressing the workpiece.
As shown in fig. 1, the two ends of the gap bridge plate 3 are respectively provided with a tailstock connecting plate 2 and a four-axis connecting plate 12, one end of the gap bridge plate 3 is rotatably connected with a tailstock 20 through the tailstock connecting plate 2, the other end of the gap bridge plate 3 is connected to a four-axis chuck of a numerical control turntable 21 through the four-axis connecting plate 12, and the four-axis chuck can independently adjust clamping jaws and adapt to connecting structures with different shapes.
As shown in FIG. 2, a plurality of sets of positioning clamps are regularly arranged on the bridge plate 3, the positioning bodies 16 are positioned on the bridge plate 3 through cylindrical pins and rhombic pins, and the positioning bodies 16 are fixedly connected on the bridge plate 3 through screws.
As shown in fig. 3, the adjustable positioning pin 19 is disposed on the positioning body 16 through the vertical base 13, the rear portion of the adjustable positioning pin 19 is connected with the vertical base 13 in a threaded fit manner, and the rear portion of the adjustable positioning pin 19 is further provided with a limit nut 5.
As shown in fig. 1-2, two pneumatic pressing devices corresponding to the same positioning fixture are arranged along a diagonal line of the positioning body 16, each pneumatic pressing device includes a Z-shaped pressing plate body 9, a pressing head 7, a hinge 8, a hinge seat 15, a connecting rod 10 and a cylinder 4, wherein the pressing head 7 is hinged to the front end portion of the Z-shaped pressing plate body 9, the upper end of the hinge 8 is hinged to the middle portion of the Z-shaped pressing plate body 9, the lower end of the hinge 8 is hinged to the hinge seat 15, the hinge seat 15 is fixedly connected to the bridge plate 3, one end of the connecting rod 10 is hinged to the rear end of the Z-shaped pressing plate body 9, the other end of the connecting rod is hinged to the front end of a cylinder rod of the cylinder 4, the cylinder 4 is arranged on the back of the bridge plate 3, and the cylinder rod movably penetrates through the bridge plate 3.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (5)
1. The utility model provides a four-axis rotary fixture which characterized in that: the positioning device comprises a bottom plate (1), a tailstock (20) and a numerical control rotary table (21), wherein the tailstock (20) and the numerical control rotary table (21) are just arranged on the bottom plate (1), a bridge passing plate (3) rotating along a main shaft of the numerical control rotary table (21) is connected between the tailstock (20) and the numerical control rotary table (21), two groups of positioning fixtures are arranged on the bridge passing plate (3) along the length direction at least, each positioning fixture comprises a positioning body (16), the top surface of the positioning body (16) is a horizontal positioning surface (17), a central positioning shaft hole (18) is formed in the center of the horizontal positioning surface (17), an adjustable positioning pin (19) for positioning the vertical end face of a workpiece is further arranged on the positioning body (16), and pneumatic pressing devices for pressing the workpiece are arranged on two sides of the positioning body (16).
2. The four-axis rotary jig of claim 1, wherein: the two ends of the bridge passing plate (3) are respectively provided with a tailstock connecting plate (2) and a four-axis connecting plate (12), one end of the bridge passing plate (3) is connected with the tailstock (20) in a rotating mode through the tailstock connecting plate (2), and the other end of the bridge passing plate (3) is connected onto a four-axis chuck of the numerical control rotary table (21) through the four-axis connecting plate (12).
3. The four-axis rotary jig of claim 1, wherein: the multiple groups of positioning clamps are regularly arranged on the bridge plate (3), the positioning bodies (16) are positioned on the bridge plate (3) through cylindrical pins and rhombic pins, and the positioning bodies (16) are fixedly connected to the bridge plate (3) through screws.
4. The four-axis rotary jig of claim 1, wherein: adjustable locating pin (19) through found seat (13) set up in on the location body (16), adjustable locating pin (19) rear portion with found seat (13) screw-thread fit connection, adjustable locating pin (19) rear portion still is provided with stop nut (5).
5. The four-axis rotary jig of claim 1, wherein: the two pneumatic pressing devices corresponding to the same positioning clamp are arranged along one diagonal line of the positioning body (16), each pneumatic pressing device comprises a Z-shaped pressing plate body (9), a pressing head (7), a hinge (8), a hinge seat (15), a connecting rod (10) and a cylinder (4), wherein the pressing head (7) is hinged to the front end part of the Z-shaped pressing plate body (9), the upper end of the hinge (8) is hinged to the middle part of the Z-shaped pressing plate body (9), the lower end of the hinge (8) is hinged to the hinge seat (15), the hinge seat (15) is fixedly connected to the bridge plate (3), one end of the connecting rod (10) is hinged to the rear end of the Z-shaped pressing plate body (9), the other end of the connecting rod is hinged to the front end of a cylinder rod of the cylinder (4), and the cylinder (4) is arranged on the back of the bridge plate (3), and the cylinder rod movably passes through the bridge plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022724865.6U CN214135038U (en) | 2020-11-23 | 2020-11-23 | Four-axis rotary fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022724865.6U CN214135038U (en) | 2020-11-23 | 2020-11-23 | Four-axis rotary fixture |
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| Publication Number | Publication Date |
|---|---|
| CN214135038U true CN214135038U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022724865.6U Active CN214135038U (en) | 2020-11-23 | 2020-11-23 | Four-axis rotary fixture |
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| Country | Link |
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| CN (1) | CN214135038U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814767A (en) * | 2021-09-30 | 2021-12-21 | 上汽通用五菱汽车股份有限公司 | Machining center anchor clamps of compatible multiple cylinder body model |
| CN114012442A (en) * | 2021-09-17 | 2022-02-08 | 珠海保税区茵科舒尔特门控科技有限公司 | Door closer machining device and door closer body machining process applied to same |
| CN117300642A (en) * | 2023-11-29 | 2023-12-29 | 杭州铁泰自动化科技有限公司 | Surgical knife handle positioning clamp and processing method |
-
2020
- 2020-11-23 CN CN202022724865.6U patent/CN214135038U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012442A (en) * | 2021-09-17 | 2022-02-08 | 珠海保税区茵科舒尔特门控科技有限公司 | Door closer machining device and door closer body machining process applied to same |
| CN114012442B (en) * | 2021-09-17 | 2024-02-23 | 珠海保税区茵科舒尔特门控科技有限公司 | Door closer machining device and door closer body machining process applied to same |
| CN113814767A (en) * | 2021-09-30 | 2021-12-21 | 上汽通用五菱汽车股份有限公司 | Machining center anchor clamps of compatible multiple cylinder body model |
| CN117300642A (en) * | 2023-11-29 | 2023-12-29 | 杭州铁泰自动化科技有限公司 | Surgical knife handle positioning clamp and processing method |
| CN117300642B (en) * | 2023-11-29 | 2024-03-19 | 杭州铁泰自动化科技有限公司 | Surgical knife handle processing method |
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